81818821

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2939}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 96808320

約数和(自身を除く): 14989499

約数列:

[1, 7, 41, 97, 287, 679, 2939, 3977, 20573, 27839, 120499, 285083, 843493, 1995581, 11688403, 81818821]

約数ペア:

[(1, 81818821), (7, 11688403), (41, 1995581), (97, 843493), (287, 285083), (679, 120499), (2939, 27839), (3977, 20573)]